Copper Alloy 145 Bars | McMaster-Carr

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System of Measurement

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Shape

Width

Length

Material

17510 Beryllium Copper

Copper

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ToughMet™ Copper Nickel

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Cotton/Polyester Fabric

Lead-Base Coppered Babbitt

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Diameter

Temper Rating

Temper Designation

Thermal Conductivity @ Temperature

205 BTU/(hr⋅ft⋅°F) @ 68° F

Appearance

Plain

Melting Point Temperature

1,924° F

Certificate Type

Material Certificate with Traceable Lot Number

Hardness Rating

Not Rated

Density

0.323 lb/in³

Yield Strength

10,000 psi to 19,999 psi

20,000 psi to 99,999 psi

REACH

Compliant

Not Compliant

Tolerance Rating

Standard

DFARS Specialty Metals

Exempt

Length Tolerance Type

Plus

Elongation

12%

RoHS

Compliant

Export Control Classification Number (ECCN)

EAR99

Modulus of Elasticity

17,000 ksi

Heat Treatable

Hardness

Not Rated

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29 Products

About Copper, Brass & Bronze

Compare over 30 copper, brass, and bronze alloys to find the right material for you—all with material certificates for traceability.

Easy-to-Machine 145 Copper Bars

Yield Strength: 18,000 psi
Hardness: Not Rated
Temper: H04 (Full Hard)
Heat Treatable: No

Also called tellurium copper, 145 copper contains tellurium, which makes it more machinable than all other copper while maintaining good corrosion resistance and high electrical conductivity. It’s often used for transformer and circuit-breaker terminals, welding torch tips, and fasteners.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

1/4" Thick. (-0.005" to 0.005" Tolerance)
Wd.		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
2"	0000000	000000	0000000	0000000
4"	0000000	00000	000000	000000
6"	0000000	000000	000000	000000
3/8" Thick. (-0.005" to 0.005" Tolerance)
2"	0000000	00000	000000	000000
4"	0000000	000000	000000	000000
6"	0000000	000000	000000	000000
1/2" Thick. (-0.005" to 0.005" Tolerance)
2"	0000000	000000	000000	000000
4"	0000000	000000	000000	000000
6"	0000000	000000	000000	00000000
3/4" Thick. (-0.005" to 0.005" Tolerance)
4"	0000000	000000	000000	00000000
6"	0000000	000000	000000	00000000
1" Thick. (-0.005" to 0.005" Tolerance)
4"	0000000	000000	000000	00000000

Easy-to-Machine 145 Copper Rods

Yield Strength: 30,000 psi
Hardness: Not Rated
Temper: H02 (1/2 Hard)
Heat Treatable: No

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Dia.	Dia. Tolerance		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
1/8"	-0.0025" to 0.0025"	0000000	00	00000	00000
3/16"	-0.0025" to 0.0025"	0000000	00	00000	00000
1/4"	-0.0025" to 0.0025"	0000000	00	00000	00000
5/16"	-0.0025" to 0.0025"	0000000	00	00000	00000
3/8"	-0.0025" to 0.0025"	0000000	00	00000	00000
1/2"	-0.0025" to 0.0025"	0000000	000000	00000	000000
5/8"	-0.0025" to 0.0025"	0000000	00000	000000	000000
3/4"	-0.0025" to 0.0025"	0000000	00000	000000	000000
7/8"	-0.0025" to 0.0025"	0000000	00000	000000	000000
1"	-0.0025" to 0.0025"	0000000	000000	000000	000000
1 1/8"	-0.0025" to 0.0025"	0000000	000000	000000	000000
1 1/4"	-0.0025" to 0.0025"	0000000	000000	000000	000000
1 3/8"	-0.0025" to 0.0025"	0000000	000000	000000	000000
1 1/2"	-0.0025" to 0.0025"	0000000	000000	000000	000000
1 5/8"	-0.0025" to 0.0025"	0000000	000000	000000	000000
1 3/4"	-0.0025" to 0.0025"	0000000	000000	000000	000000
2"	-0.0025" to 0.0025"	0000000	000000	000000	00000000